/*
 * A V4L2 driver for GalaxyCore gc2035 cameras.
 *
 */
#include <linux/init.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/i2c.h>
#include <linux/delay.h>
#include <linux/videodev2.h>
#include <linux/clk.h>
#include <media/v4l2-device.h>
#include <media/v4l2-chip-ident.h>
#include <media/v4l2-mediabus.h>
#include <linux/io.h>

#include "camera.h"
#include "sensor_helper.h"

MODULE_AUTHOR("raymonxiu");
MODULE_DESCRIPTION("A low-level driver for GalaxyCore gc2035 sensors");
MODULE_LICENSE("GPL");

//for internel driver debug
#define DEV_DBG_EN   		0
#if(DEV_DBG_EN == 1)		
#define vfe_dev_dbg(x,arg...) printk("[CSI_DEBUG][GC2035]"x,##arg)
#else
#define vfe_dev_dbg(x,arg...) 
#endif

#define vfe_dev_err(x,arg...) printk("[CSI_ERR][GC2035]"x,##arg)
#define vfe_dev_print(x,arg...) printk("[CSI][GC2035]"x,##arg)

#define LOG_ERR_RET(x)  { \
                          int ret;  \
                          ret = x; \
                          if(ret < 0) {\
                            vfe_dev_err("error at %s\n",__func__);  \
                            return ret; \
                          } \
                        }

//define module timing
#define MCLK              (24*1000*1000)
#define VREF_POL          V4L2_MBUS_VSYNC_ACTIVE_HIGH
#define HREF_POL          V4L2_MBUS_HSYNC_ACTIVE_HIGH
#define CLK_POL           V4L2_MBUS_PCLK_SAMPLE_RISING
#define V4L2_IDENT_SENSOR 0x2035

/*
 * Our nominal (default) frame rate.
 */
#define SENSOR_FRAME_RATE 8

/*
 * The gc2035 sits on i2c with ID 0x78
 */
#define I2C_ADDR                    0x78   
#define SENSOR_NAME "gc2035"
/*
 * Information we maintain about a known sensor.
 */
struct sensor_format_struct;  /* coming later */

struct cfg_array { /* coming later */
	struct regval_list * regs;
	int size;
};

static inline struct sensor_info *to_state(struct v4l2_subdev *sd)
{
	return container_of(sd, struct sensor_info, sd);
}

/*
 * The default register settings
 *
 */

static struct regval_list sensor_default_regs[] = {
	{0xfe , 0x80},
	{0xfe , 0x80},
	{0xfe , 0x80},  
	{0xfc , 0x06},
	{0xf2 , 0x00},
	{0xf3 , 0x00},
	{0xf4 , 0x00},
	{0xf5 , 0x00},
	{0xf9 , 0xfe}, //[0] pll enable
	{0xfa , 0x00},
	{0xf6 , 0x00},
	{0xf7 , 0x15}, //pll enable

	{0xf8 , 0x85},
	{0xfe , 0x00},
	{0x82 , 0x00},
	{0xb3 , 0x60},
	{0xb4 , 0x40},
	{0xb5 , 0x60},

	{0x03 , 0x02},
	{0x04 , 0x80},

	//////////measure window  ///////////
	{0xfe , 0x00},
	{0xec , 0x06},//04 
	{0xed , 0x06},//04 
	{0xee , 0x62},//60 
	{0xef , 0x92},//90 

	///////////analog/////////////
	{0x0a , 0x00}, //row start
	{0x0c , 0x00}, //col start
	{0x0d , 0x04},
	{0x0e , 0xc0},
	{0x0f , 0x06}, //Window setting
	{0x10 , 0x58}, 
	{0x17 , 0x14}, //[0]mirror [1]flip


	{0x18 , 0x0a}, //0a 2012.10.26
	{0x19 , 0x0a}, //AD pipe number

	{0x1a, 0x01}, //CISCTL mode4
	{0x1b , 0x8b},
	{0x1c , 0x05}, //added
	{0x1e , 0x88}, //analog mode1 [7] tx-high en [5:3]COL_bias
	{0x1f , 0x08}, //[3] tx-low en//
	{0x20 , 0x05}, //[0]adclk mode , 0x[1]rowclk_MODE [2]rsthigh_en
	{0x21 , 0x0f}, //[6:4]rsg
	{0x22 , 0xf0}, //[3:0]vref   0xf0
	{0x23 , 0xc3}, //f3//ADC_r
	{0x24 , 0x15}, //pad drive <=36MHz, use 0x00 is ok

	//AEC
	{0xfe , 0x01},
	{0x11 , 0x20},//AEC_out_slope , 0x
	{0x1f , 0xa0},//max_post_gain
	{0x20 , 0x40},//max_pre_gain
	{0x47 , 0x30},//AEC_outdoor_th
	{0x0b , 0x10},//
	{0x13 , 0x75},//y_target
	{0xfe , 0x00},


	{0x05 , 0x01},//hb
	{0x06 , 0x11},
	{0x07 , 0x00},//vb
	{0x08 , 0x50},
	{0xfe , 0x01},
	{0x27 , 0x00},//step
	{0x28 , 0xa0},
	{0x29 , 0x05},//level1
	{0x2a , 0x00},
	{0x2b , 0x05},//level2
	{0x2c , 0x00},
	{0x2d , 0x06},//6e8//level3
	{0x2e , 0xe0},
	{0x2f , 0x0a},//level4
	{0x30 , 0x00},
	{0x3e  , 0x40},
	{0xfe , 0x00},
	{0xfe , 0x00},  //0x , 0x , 0x , 0x , 0x 
	{0xb6 , 0x03}, //AEC enable
	{0xfe , 0x00},

	/////////BLK//////
	{0x3f , 0x00}, //prc close
	{0x40 , 0x77},//
	{0x42 , 0x7f},
	{0x43 , 0x30},
	{0x5c , 0x08},
	{0x5e , 0x20},
	{0x5f , 0x20},
	{0x60 , 0x20},
	{0x61 , 0x20},
	{0x62 , 0x20},
	{0x63 , 0x20},
	{0x64 , 0x20},
	{0x65 , 0x20},

	///block////////////
	{0x80 , 0xff},
	{0x81 , 0x26},//38 , 0x//skin_Y 8c_debug
	{0x87 , 0x90}, //[7]middle gamma 
	{0x84 , 0x02}, //output put foramat
	{0x86 , 0x07}, //02 //sync plority 
	{0x8b , 0xbc},
	{0xb0 , 0x80}, //globle gain
	{0xc0 , 0x40},//Yuv bypass

	//////lsc/////////////
	{0xfe , 0x01},
	{0xc2 , 0x38},
	{0xc3 , 0x25},
	{0xc4 , 0x21},
	{0xc8 , 0x19},
	{0xc9 , 0x12},
	{0xca , 0x0e},
	{0xbc , 0x43},
	{0xbd , 0x18},
	{0xbe , 0x1b},
	{0xb6 , 0x40},
	{0xb7 , 0x2e},
	{0xb8 , 0x26},
	{0xc5 , 0x05},
	{0xc6 , 0x03},
	{0xc7 , 0x04},
	{0xcb , 0x00},
	{0xcc , 0x00},
	{0xcd , 0x00},
	{0xbf , 0x14},
	{0xc0 , 0x22},
	{0xc1 , 0x1b},
	{0xb9 , 0x00},
	{0xba , 0x05},
	{0xbb , 0x05},
	{0xaa , 0x35},
	{0xab , 0x33},
	{0xac , 0x33},
	{0xad , 0x25},
	{0xae , 0x22},
	{0xaf , 0x27},
	{0xb0 , 0x1d},
	{0xb1 , 0x20},
	{0xb2 , 0x22},
	{0xb3 , 0x14},
	{0xb4 , 0x15},
	{0xb5 , 0x16},
	{0xd0 , 0x00},
	{0xd2 , 0x07},
	{0xd3 , 0x08},
	{0xd8 , 0x00},
	{0xda , 0x13},
	{0xdb , 0x17},
	{0xdc , 0x00},
	{0xde , 0x0a},
	{0xdf , 0x08},
	{0xd4 , 0x00},
	{0xd6 , 0x00},
	{0xd7 , 0x0c},
	{0xa4 , 0x00},
	{0xa5 , 0x00},
	{0xa6 , 0x00},
	{0xa7 , 0x00},
	{0xa8 , 0x00},
	{0xa9 , 0x00},
	{0xa1 , 0x80},
	{0xa2 , 0x80},

	//////////cc//////////////
	{0xfe , 0x02},
	{0xc0 , 0x01},
	{0xc1 , 0x40}, //Green_cc for d
	{0xc2 , 0xfc},
	{0xc3 , 0x05},
	{0xc4 , 0xec},
	{0xc5 , 0x42},
	{0xc6 , 0xf8},
	{0xc7 , 0x40},//for cwf 
	{0xc8 , 0xf8},
	{0xc9 , 0x06},
	{0xca , 0xfd},
	{0xcb , 0x3e},
	{0xcc , 0xf3},
	{0xcd , 0x36},//for A
	{0xce , 0xf6},
	{0xcf , 0x04},
	{0xe3 , 0x0c},
	{0xe4 , 0x44},
	{0xe5 , 0xe5},
	{0xfe , 0x00},

	///////awb start ////////////////
	//AWB clear
	{0xfe , 0x01},
	{0x4f , 0x00},
	{0x4d , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4d , 0x10}, // 10
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4d , 0x20}, // 20
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4d , 0x30},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00}, // 30
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4d , 0x40}, // 40
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4d , 0x50}, // 50
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4d , 0x60}, // 60
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4d , 0x70}, // 70
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4d , 0x80}, // 80
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4d , 0x90}, // 90
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4d , 0xa0}, // a0
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4d , 0xb0}, // b0
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4d , 0xc0}, // c0
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4d , 0xd0}, // d0
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4e , 0x00},
	{0x4f , 0x01},
	/////// awb value////////
	{0xfe , 0x01},
	{0x4f , 0x00},
	{0x4d , 0x30},
	{0x4e , 0x00},
	{0x4e , 0x80},
	{0x4e , 0x80},
	{0x4e , 0x02},
	{0x4e , 0x02},
	{0x4d , 0x40},
	{0x4e , 0x00},
	{0x4e , 0x80},
	{0x4e , 0x80},
	{0x4e , 0x02},
	{0x4e , 0x02},
	{0x4e , 0x02},
	{0x4d , 0x53},
	{0x4e , 0x08},
	{0x4e , 0x04},
	{0x4d , 0x62},
	{0x4e , 0x10},
	{0x4d , 0x72},
	{0x4e , 0x20},
	{0x4f , 0x01},

	/////awb////
	{0xfe , 0x01},
	{0x50 , 0x88},//c0//[6]green mode
	{0x52 , 0x40},
	{0x54 , 0x60},
	{0x56 , 0x06},
	{0x57 , 0x20}, //pre adjust
	{0x58 , 0x01}, 
	{0x5b , 0x02}, //AWB_gain_delta
	{0x61 , 0xaa},//R/G stand
	{0x62 , 0xaa},//R/G stand
	{0x71 , 0x00},
	{0x74 , 0x10},  //0x//AWB_C_max
	{0x77 , 0x08}, // 0x//AWB_p2_x
	{0x78 , 0xfd}, //AWB_p2_y
	{0x86 , 0x30},
	{0x87 , 0x00},
	{0x88 , 0x04},//06 , 0x//[1]dark mode
	{0x8a , 0xc0},//awb move mode
	{0x89 , 0x75},
	{0x84 , 0x08},  //0x//auto_window
	{0x8b , 0x00}, // 0x//awb compare luma
	{0x8d , 0x70}, //awb gain limit R 
	{0x8e , 0x70},//G
	{0x8f , 0xf4},//B
	{0xfe , 0x00},
	{0x82 , 0x02},//awb_en
	/////////awb end /////////////

	///==========asde
	{0xfe , 0x01},
	{0x21 , 0xbf},
	{0xfe , 0x02},
	{0xa4 , 0x00},//
	{0xa5 , 0x40}, //lsc_th
	{0xa2 , 0xa0}, //lsc_dec_slope
	{0xa6 , 0x80}, //dd_th
	{0xa7 , 0x80}, //ot_th
	{0xab , 0x31}, //
	{0xa9 , 0x6f}, //
	{0xb0 , 0x99}, //0x//edge effect slope low
	{0xb1 , 0x34},//edge effect slope low
	{0xb3 , 0xf0}, //saturation dec slope
	{0xde , 0xb6},  //
	{0x38 , 0x0f}, // 
	{0x39 , 0x60}, //
	{0xfe , 0x00},
	{0x81 , 0x26},
	{0xfe , 0x02},
	{0x83 , 0x00},//
	{0x84 , 0x45},//
	////////////YCP//////////
	{0xd1 , 0x34},//saturation_cb
	{0xd2 , 0x34},//saturation_Cr
	{0xd3 , 0x40},//contrast ?	{0xd4 , 0x80},//contrast center 
	{0xd4  , 0x80},//contrast center 
	{0xd5 , 0x00},//luma_offset 
	{0xdc , 0x30},
	{0xdd , 0xb8},//edge_sa_g,b
	{0xfe , 0x00},
	///////dndd///////////
	{0xfe , 0x02},
	{0x88 , 0x15},//dn_b_base
	{0x8c , 0xf6}, //[2]b_in_dark_inc
	{0x89 , 0x03}, //dn_c_weight
	////////EE ///////////
	{0xfe , 0x02},
	{0x90 , 0x6c},// EEINTP mode1
	{0x97 , 0x45},// edge effect
	////==============RGB Gamma 
	{0xfe , 0x02},
	{0x15 , 0x0a},
	{0x16 , 0x12},
	{0x17 , 0x19},
	{0x18 , 0x1f},
	{0x19 , 0x2c},
	{0x1a , 0x38},
	{0x1b , 0x42},
	{0x1c , 0x4e},
	{0x1d , 0x63},
	{0x1e , 0x76},
	{0x1f , 0x87},
	{0x20 , 0x96},
	{0x21 , 0xa2},
	{0x22 , 0xb8},
	{0x23 , 0xca},
	{0x24 , 0xd8},
	{0x25 , 0xe3},
	{0x26 , 0xf0},
	{0x27 , 0xf8},
	{0x28 , 0xfd},
	{0x29 , 0xff},

	///=================y gamma
	{0xfe , 0x02},
	{0x2b , 0x00},
	{0x2c , 0x04},
	{0x2d , 0x09},
	{0x2e , 0x18},
	{0x2f , 0x27},
	{0x30 , 0x37},
	{0x31 , 0x49},
	{0x32 , 0x5c},
	{0x33 , 0x7e},
	{0x34 , 0xa0},
	{0x35 , 0xc0},
	{0x36 , 0xe0},
	{0x37 , 0xff},
	/////1600x1200size// 
	{0xfe , 0x00},//
	{0x90 , 0x01}, //0x//crop enable
	{0x94 , 0x04},
	{0x95 , 0x04},  //0x//1600x1200
	{0x96 , 0xb0},
	{0x97 , 0x06},
	{0x98 , 0x40},

	{0xfe , 0x03},
	{0x42 , 0x40}, 
	{0x43 , 0x06}, //output buf width
	{0x41 , 0x02}, // Pclk_polarity
	{0x40 , 0x40},  //00  
	{0x17 , 0x00}, //widv 
	{0xfe , 0x00},
	////output DVP/////
	{0xfe  , 0x00},
	{0x82  , 0xfe},  // fe
	{0xf2  , 0x70}, 
	{0xf3  , 0xff},
	{0xf4  , 0x00},
	{0xf5  , 0x30},
	////////sabsumple  800X600//////
	{0xfe , 0x00},	
	{0xb6 , 0x03},
	{0xfa , 0x00},

	{0xc8  , 0x00},//close scaler
	{0x99  , 0x22},// 1/2 subsample
	{0x9a , 0x07},
	{0x9b  , 0x00},
	{0x9c  , 0x00},
	{0x9d  , 0x00},
	{0x9e  , 0x00},
	{0x9f  , 0x00},
	{0xa0  , 0x00},  
	{0xa1  , 0x00},
	{0xa2  , 0x00},

	{0x90  , 0x01},  //crop enable
	{0x95  , 0x02},
	{0x96  , 0x58},
	{0x97  , 0x03},
	{0x98  , 0x20},

	/////////  re zao///
	{0xfe  , 0x00},
	{0x22  , 0xf0},
	{0xfe  , 0x01},
	{0x21  , 0xff},
	{0xfe  , 0x02},  
	{0x8a  , 0x33},
	{0x8c  , 0x76},
	{0x8d  , 0x85},
	{0xa6  , 0xf0},	
	{0xae  , 0x9f},
	{0xa2  , 0x90},
	{0xa5  , 0x40},  
	{0xa7  , 0x30},
	{0xb0  , 0x88},
	{0x38  , 0x0b},
	{0x39  , 0x30},
	{0xfe  , 0x00},  
	{0x87  , 0xb0},

	////dark sun/////
	{0xfe , 0x02},
	{0x40 , 0x06},
	{0x41 , 0x23},
	{0x42 , 0x3f},
	{0x43 , 0x06},
	{0x44 , 0x00},
	{0x45 , 0x00},
	{0x46 , 0x14},
	{0x47 , 0x09},
	{0xfe , 0x00},
};

/* 1600X1200 UXGA capture */
static struct regval_list sensor_uxga_regs[] ={
	{0xfe , 0x00},
	{0xfa , 0x11},
	{0xc8 , 0x00},

	{0x99 , 0x11},// 1/2 subsample
	{0x9a , 0x06},
	{0x9b , 0x00},
	{0x9c , 0x00},
	{0x9d , 0x00},
	{0x9e , 0x00},
	{0x9f , 0x00},
	{0xa0 , 0x00},  
	{0xa1 , 0x00},
	{0xa2 , 0x00},

	{0x90 , 0x01},
	{0x95 , 0x04},
	{0x96 , 0xb0},  
	{0x97 , 0x06},
	{0x98 , 0x40},
};

/* 800X600 SVGA,30fps*/
static struct regval_list sensor_svga_regs[] =
{
	{0xfe,0x00},
	{0xb6,0x03},
	{0xfa , 0x00},
	{0xc8,0x00},//close scaler

	{0x99,0x22},// 1/2 subsample
	{0x9a , 0x07},
	{0x9b,0x00},
	{0x9c,0x00},
	{0x9d,0x00},
	{0x9e,0x00},
	{0x9f,0x00},
	{0xa0,0x00},  
	{0xa1,0x00},
	{0xa2,0x00},

	{0x90,0x01},  //crop enable
	{0x95,0x02},
	{0x96,0x58},
	{0x97,0x03},
	{0x98,0x20},
};


/*
 * The white balance settings
 * Here only tune the R G B channel gain. 
 * The white balance enalbe bit is modified in sensor_s_autowb and sensor_s_wb
 */
static struct regval_list sensor_wb_manual[] = { 
//null
};

static struct regval_list sensor_wb_auto_regs[] = {
	{0x82, 0xfe},
	{0xb3, 0x61},
	{0xb4, 0x40}, 
	{0xb5, 0x61},
	{0xff, 0xff},		
};

static struct regval_list sensor_wb_incandescence_regs[] = {
	//bai re guang	
	{0x82, 0xfd},
	{0xb3, 0x50},
	{0xb4, 0x40}, 
	{0xb5, 0xa8},
	{0xff, 0xff},		
};

static struct regval_list sensor_wb_fluorescent_regs[] = {
	//ri guang deng
	{0x82, 0xfd},
	{0xb3, 0x72},
	{0xb4, 0x40}, 
	{0xb5, 0x5b},
	{0xff, 0xff},		
};

static struct regval_list sensor_wb_tungsten_regs[] = {
	//wu si deng
	{0x82, 0xfd},
	{0xb3, 0xa0},
	{0xb4, 0x45}, 
	{0xb5, 0x40},
	{0xff, 0xff},		
};

static struct regval_list sensor_wb_horizon[] = { 
//null
};
static struct regval_list sensor_wb_daylight_regs[] = {
	//tai yang guang
	//Sunny 
	{0x82, 0xfd},
	{0xb3, 0x58},
	{0xb4, 0x40}, 
	{0xb5, 0x50},
	{0xff, 0xff},	
};

static struct regval_list sensor_wb_flash[] = { 
//null
};

static struct regval_list sensor_wb_cloud_regs[] = {
	{0x82, 0xfd},
	{0xb3, 0x58},
	{0xb4, 0x40}, 
	{0xb5, 0x50},
	{0xff, 0xff},		
};

static struct regval_list sensor_wb_shade[] = { 
//null
};

static struct cfg_array sensor_wb[] = {
	{ 
		.regs = sensor_wb_manual,             //V4L2_WHITE_BALANCE_MANUAL       
		.size = ARRAY_SIZE(sensor_wb_manual),
	},
	{
		.regs = sensor_wb_auto_regs,          //V4L2_WHITE_BALANCE_AUTO      
		.size = ARRAY_SIZE(sensor_wb_auto_regs),
	},
	{
		.regs = sensor_wb_incandescence_regs, //V4L2_WHITE_BALANCE_INCANDESCENT 
		.size = ARRAY_SIZE(sensor_wb_incandescence_regs),
	},
	{
		.regs = sensor_wb_fluorescent_regs,   //V4L2_WHITE_BALANCE_FLUORESCENT  
		.size = ARRAY_SIZE(sensor_wb_fluorescent_regs),
	},
	{
		.regs = sensor_wb_tungsten_regs,      //V4L2_WHITE_BALANCE_FLUORESCENT_H
		.size = ARRAY_SIZE(sensor_wb_tungsten_regs),
	},
	{
		.regs = sensor_wb_horizon,            //V4L2_WHITE_BALANCE_HORIZON    
		.size = ARRAY_SIZE(sensor_wb_horizon),
	},  
	{
		.regs = sensor_wb_daylight_regs,      //V4L2_WHITE_BALANCE_DAYLIGHT     
		.size = ARRAY_SIZE(sensor_wb_daylight_regs),
	},
	{
		.regs = sensor_wb_flash,              //V4L2_WHITE_BALANCE_FLASH        
		.size = ARRAY_SIZE(sensor_wb_flash),
	},
	{
		.regs = sensor_wb_cloud_regs,         //V4L2_WHITE_BALANCE_CLOUDY       
		.size = ARRAY_SIZE(sensor_wb_cloud_regs),
	},
	{
		.regs = sensor_wb_shade,              //V4L2_WHITE_BALANCE_SHADE  
		.size = ARRAY_SIZE(sensor_wb_shade),
	},
};
                                          

/*
 * The color effect settings
 */
static struct regval_list sensor_colorfx_none_regs[] = {
	{0xfe, 0x00}, 
	{0x83, 0xe0},
};

static struct regval_list sensor_colorfx_bw_regs[] = {
	
};

static struct regval_list sensor_colorfx_sepia_regs[] = {
	{0xfe, 0x00}, 
	{0x83, 0x82},
};

static struct regval_list sensor_colorfx_negative_regs[] = {
	{0xfe, 0x00}, 
	{0x83, 0x01},

};

static struct regval_list sensor_colorfx_emboss_regs[] = {
	{0xfe, 0x00}, 
	{0x83, 0x12},///CAM_EFFECT_ENC_GRAYSCALE
};

static struct regval_list sensor_colorfx_sketch_regs[] = {
//NULL
};

static struct regval_list sensor_colorfx_sky_blue_regs[] = {
	{0xfe, 0x00}, 
	{0x83, 0x62},
};

static struct regval_list sensor_colorfx_grass_green_regs[] = {
	{0xfe, 0x00}, 
	{0x83, 0x52},
};

static struct regval_list sensor_colorfx_skin_whiten_regs[] = {
//NULL
};

static struct regval_list sensor_colorfx_vivid_regs[] = {
//NULL
};

static struct regval_list sensor_colorfx_aqua_regs[] = {
//null
};

static struct regval_list sensor_colorfx_art_freeze_regs[] = {
//null
};

static struct regval_list sensor_colorfx_silhouette_regs[] = {
//null
};

static struct regval_list sensor_colorfx_solarization_regs[] = {
//null
};

static struct regval_list sensor_colorfx_antique_regs[] = {
//null
};

static struct regval_list sensor_colorfx_set_cbcr_regs[] = {
//null
};

static struct cfg_array sensor_colorfx[] = {
	{
		.regs = sensor_colorfx_none_regs,         //V4L2_COLORFX_NONE = 0,         
		.size = ARRAY_SIZE(sensor_colorfx_none_regs),
	},
	{
		.regs = sensor_colorfx_bw_regs,           //V4L2_COLORFX_BW   = 1,  
		.size = ARRAY_SIZE(sensor_colorfx_bw_regs),
	},
	{
		.regs = sensor_colorfx_sepia_regs,        //V4L2_COLORFX_SEPIA  = 2,   
		.size = ARRAY_SIZE(sensor_colorfx_sepia_regs),
	},
	{
		.regs = sensor_colorfx_negative_regs,     //V4L2_COLORFX_NEGATIVE = 3,     
		.size = ARRAY_SIZE(sensor_colorfx_negative_regs),
	},
	{
		.regs = sensor_colorfx_emboss_regs,       //V4L2_COLORFX_EMBOSS = 4,       
		.size = ARRAY_SIZE(sensor_colorfx_emboss_regs),
	},
	{
		.regs = sensor_colorfx_sketch_regs,       //V4L2_COLORFX_SKETCH = 5,       
		.size = ARRAY_SIZE(sensor_colorfx_sketch_regs),
	},
	{
		.regs = sensor_colorfx_sky_blue_regs,     //V4L2_COLORFX_SKY_BLUE = 6,     
		.size = ARRAY_SIZE(sensor_colorfx_sky_blue_regs),
	},
	{
		.regs = sensor_colorfx_grass_green_regs,  //V4L2_COLORFX_GRASS_GREEN = 7,  
		.size = ARRAY_SIZE(sensor_colorfx_grass_green_regs),
	},
	{
		.regs = sensor_colorfx_skin_whiten_regs,  //V4L2_COLORFX_SKIN_WHITEN = 8,  
		.size = ARRAY_SIZE(sensor_colorfx_skin_whiten_regs),
	},
	{
		.regs = sensor_colorfx_vivid_regs,        //V4L2_COLORFX_VIVID = 9,        
		.size = ARRAY_SIZE(sensor_colorfx_vivid_regs),
	},
	{
		.regs = sensor_colorfx_aqua_regs,         //V4L2_COLORFX_AQUA = 10,        
		.size = ARRAY_SIZE(sensor_colorfx_aqua_regs),
	},
	{
		.regs = sensor_colorfx_art_freeze_regs,   //V4L2_COLORFX_ART_FREEZE = 11,  
		.size = ARRAY_SIZE(sensor_colorfx_art_freeze_regs),
	},
	{
		.regs = sensor_colorfx_silhouette_regs,   //V4L2_COLORFX_SILHOUETTE = 12,  
		.size = ARRAY_SIZE(sensor_colorfx_silhouette_regs),
	},
	{
		.regs = sensor_colorfx_solarization_regs, //V4L2_COLORFX_SOLARIZATION = 13,
		.size = ARRAY_SIZE(sensor_colorfx_solarization_regs),
	},
	{
		.regs = sensor_colorfx_antique_regs,      //V4L2_COLORFX_ANTIQUE = 14,     
		.size = ARRAY_SIZE(sensor_colorfx_antique_regs),
	},
	{
		.regs = sensor_colorfx_set_cbcr_regs,     //V4L2_COLORFX_SET_CBCR = 15, 
		.size = ARRAY_SIZE(sensor_colorfx_set_cbcr_regs),
	},
};

/*
 * The brightness setttings
 */
static struct regval_list sensor_brightness_neg4_regs[] = {
//NULL
};

static struct regval_list sensor_brightness_neg3_regs[] = {
//NULL
};

static struct regval_list sensor_brightness_neg2_regs[] = {
//NULL
};

static struct regval_list sensor_brightness_neg1_regs[] = {
//NULL
};

static struct regval_list sensor_brightness_zero_regs[] = {
//NULL	
};

static struct regval_list sensor_brightness_pos1_regs[] = {
//NULL
};

static struct regval_list sensor_brightness_pos2_regs[] = {
//NULL	
};

static struct regval_list sensor_brightness_pos3_regs[] = {
//NULL	
};

static struct regval_list sensor_brightness_pos4_regs[] = {
//NULL
};

static struct cfg_array sensor_brightness[] = {
	{
		.regs = sensor_brightness_neg4_regs,
		.size = ARRAY_SIZE(sensor_brightness_neg4_regs),
	},
	{
		.regs = sensor_brightness_neg3_regs,
		.size = ARRAY_SIZE(sensor_brightness_neg3_regs),
	},
	{
		.regs = sensor_brightness_neg2_regs,
		.size = ARRAY_SIZE(sensor_brightness_neg2_regs),
	},
	{
		.regs = sensor_brightness_neg1_regs,
		.size = ARRAY_SIZE(sensor_brightness_neg1_regs),
	},
	{
		.regs = sensor_brightness_zero_regs,
		.size = ARRAY_SIZE(sensor_brightness_zero_regs),
	},
	{
		.regs = sensor_brightness_pos1_regs,
		.size = ARRAY_SIZE(sensor_brightness_pos1_regs),
	},
	{
		.regs = sensor_brightness_pos2_regs,
		.size = ARRAY_SIZE(sensor_brightness_pos2_regs),
	},
	{
		.regs = sensor_brightness_pos3_regs,
		.size = ARRAY_SIZE(sensor_brightness_pos3_regs),
	},
	{
		.regs = sensor_brightness_pos4_regs,
		.size = ARRAY_SIZE(sensor_brightness_pos4_regs),
	},
};

/*
 * The contrast setttings
 */
static struct regval_list sensor_contrast_neg4_regs[] = {

};

static struct regval_list sensor_contrast_neg3_regs[] = {
	 
};

static struct regval_list sensor_contrast_neg2_regs[] = {

};

static struct regval_list sensor_contrast_neg1_regs[] = {

};

static struct regval_list sensor_contrast_zero_regs[] = {

};

static struct regval_list sensor_contrast_pos1_regs[] = {

};

static struct regval_list sensor_contrast_pos2_regs[] = {

};

static struct regval_list sensor_contrast_pos3_regs[] = {
 
};

static struct regval_list sensor_contrast_pos4_regs[] = {
};

static struct cfg_array sensor_contrast[] = {
	{
		.regs = sensor_contrast_neg4_regs,
		.size = ARRAY_SIZE(sensor_contrast_neg4_regs),
	},
	{
		.regs = sensor_contrast_neg3_regs,
		.size = ARRAY_SIZE(sensor_contrast_neg3_regs),
	},
	{
		.regs = sensor_contrast_neg2_regs,
		.size = ARRAY_SIZE(sensor_contrast_neg2_regs),
	},
	{
		.regs = sensor_contrast_neg1_regs,
		.size = ARRAY_SIZE(sensor_contrast_neg1_regs),
	},
	{
		.regs = sensor_contrast_zero_regs,
		.size = ARRAY_SIZE(sensor_contrast_zero_regs),
	},
	{
		.regs = sensor_contrast_pos1_regs,
		.size = ARRAY_SIZE(sensor_contrast_pos1_regs),
	},
	{
		.regs = sensor_contrast_pos2_regs,
		.size = ARRAY_SIZE(sensor_contrast_pos2_regs),
	},
	{
		.regs = sensor_contrast_pos3_regs,
		.size = ARRAY_SIZE(sensor_contrast_pos3_regs),
	},
	{
		.regs = sensor_contrast_pos4_regs,
		.size = ARRAY_SIZE(sensor_contrast_pos4_regs),
	},
};

/*
 * The saturation setttings
 */
static struct regval_list sensor_saturation_neg4_regs[] = {
//NULL
};

static struct regval_list sensor_saturation_neg3_regs[] = {
//NULL
};

static struct regval_list sensor_saturation_neg2_regs[] = {
//NULL
};

static struct regval_list sensor_saturation_neg1_regs[] = {
//NULL
};

static struct regval_list sensor_saturation_zero_regs[] = {
//NULL
};

static struct regval_list sensor_saturation_pos1_regs[] = {
//NULL
};

static struct regval_list sensor_saturation_pos2_regs[] = {
//NULL
};

static struct regval_list sensor_saturation_pos3_regs[] = {
//NULL
};

static struct regval_list sensor_saturation_pos4_regs[] = {
//NULL
};

static struct cfg_array sensor_saturation[] = {
	{
		.regs = sensor_saturation_neg4_regs,
		.size = ARRAY_SIZE(sensor_saturation_neg4_regs),
	},
	{
		.regs = sensor_saturation_neg3_regs,
		.size = ARRAY_SIZE(sensor_saturation_neg3_regs),
	},
	{
		.regs = sensor_saturation_neg2_regs,
		.size = ARRAY_SIZE(sensor_saturation_neg2_regs),
	},
	{
		.regs = sensor_saturation_neg1_regs,
		.size = ARRAY_SIZE(sensor_saturation_neg1_regs),
	},
	{
		.regs = sensor_saturation_zero_regs,
		.size = ARRAY_SIZE(sensor_saturation_zero_regs),
	},
	{
		.regs = sensor_saturation_pos1_regs,
		.size = ARRAY_SIZE(sensor_saturation_pos1_regs),
	},
	{
		.regs = sensor_saturation_pos2_regs,
		.size = ARRAY_SIZE(sensor_saturation_pos2_regs),
	},
	{
		.regs = sensor_saturation_pos3_regs,
		.size = ARRAY_SIZE(sensor_saturation_pos3_regs),
	},
	{
		.regs = sensor_saturation_pos4_regs,
		.size = ARRAY_SIZE(sensor_saturation_pos4_regs),
	},
};

/*
 * The exposure target setttings
 */
static struct regval_list sensor_ev_neg4_regs[] = {
	{0xfe, 0x01},
	{0x13, 0x40},
	{0xfe, 0x02},
	{0xd5, 0xc0}, 
	{0xfe, 0x00},
};

static struct regval_list sensor_ev_neg3_regs[] = {
	{0xfe, 0x01},
	{0x13, 0x50}, 
	{0xfe, 0x02},
	{0xd5, 0xd0}, 
	{0xfe, 0x00},
};

static struct regval_list sensor_ev_neg2_regs[] = {
	{0xfe, 0x01},
	{0x13, 0x60}, 
	{0xfe, 0x02},
	{0xd5, 0xe0}, 
	{0xfe, 0x00},
};

static struct regval_list sensor_ev_neg1_regs[] = {
	{0xfe, 0x01},
	{0x13, 0x70}, 
	{0xfe, 0x02},
	{0xd5, 0xf0}, 
	{0xfe, 0x00},
};

static struct regval_list sensor_ev_zero_regs[] = {
	{0xfe, 0x01},
	{0x13 , 0x80}, 
	{0xfe, 0x02},
	{0xd5, 0x00}, 
	{0xfe, 0x00},
};

static struct regval_list sensor_ev_pos1_regs[] = {
	{0xfe, 0x01},
	{0x13 , 0x98}, 
	{0xfe, 0x02},
	{0xd5, 0x10}, 
	{0xfe, 0x00},
};

static struct regval_list sensor_ev_pos2_regs[] = {
	{0xfe, 0x01},
	{0x13 , 0xb0}, 
	{0xfe, 0x02},
	{0xd5, 0x20}, 
	{0xfe, 0x00},
};

static struct regval_list sensor_ev_pos3_regs[] = {
	{0xfe, 0x01},
	{0x13 , 0xc0}, 
	{0xfe, 0x02},
	{0xd5, 0x30}, 
	{0xfe, 0x00},	
};

static struct regval_list sensor_ev_pos4_regs[] = {
	{0xfe, 0x01},
	{0x13 , 0xd0}, 
	{0xfe, 0x02},
	{0xd5, 0x50}, 
	{0xfe, 0x00},	
};

static struct cfg_array sensor_ev[] = {
	{
		.regs = sensor_ev_neg4_regs,
		.size = ARRAY_SIZE(sensor_ev_neg4_regs),
	},
	{
		.regs = sensor_ev_neg3_regs,
		.size = ARRAY_SIZE(sensor_ev_neg3_regs),
	},
	{
		.regs = sensor_ev_neg2_regs,
		.size = ARRAY_SIZE(sensor_ev_neg2_regs),
	},
	{
		.regs = sensor_ev_neg1_regs,
		.size = ARRAY_SIZE(sensor_ev_neg1_regs),
	},
	{
		.regs = sensor_ev_zero_regs,
		.size = ARRAY_SIZE(sensor_ev_zero_regs),
	},
	{
		.regs = sensor_ev_pos1_regs,
		.size = ARRAY_SIZE(sensor_ev_pos1_regs),
	},
	{
		.regs = sensor_ev_pos2_regs,
		.size = ARRAY_SIZE(sensor_ev_pos2_regs),
	},
	{
		.regs = sensor_ev_pos3_regs,
		.size = ARRAY_SIZE(sensor_ev_pos3_regs),
	},
	{
		.regs = sensor_ev_pos4_regs,
		.size = ARRAY_SIZE(sensor_ev_pos4_regs),
	},
};

/*
 * Here we'll try to encapsulate the changes for just the output
 * video format.
 * 
 */

static struct regval_list sensor_fmt_yuv422_yuyv[] = {
	{0x84, 0x02}, //output put foramat
};

static struct regval_list sensor_fmt_yuv422_yvyu[] = {
	{0x84, 0x03}, //output put foramat
};

static struct regval_list sensor_fmt_yuv422_vyuy[] = {
	{0x84, 0x01}, //output put foramat
};

static struct regval_list sensor_fmt_yuv422_uyvy[] = {
	{0x84, 0x00}, //output put foramat
};

static struct regval_list sensor_fmt_raw[] = {
	{0x84, 0x18}, //output put foramat
};

//misc
static struct regval_list sensor_oe_disable_regs[] = {

};

static struct regval_list sensor_oe_enable_regs[] = {

};

static int sensor_g_hflip(struct v4l2_subdev *sd, __s32 *value)
{
	int ret;
	struct sensor_info *info = to_state(sd);
	data_type val;
	
	ret = sensor_write(sd, 0xfe, 0x00);
	if (ret < 0) {
		vfe_dev_err("sensor_write err at sensor_g_hflip!\n");
		return ret;
	}
	
	ret = sensor_read(sd, 0x17, &val);
	if (ret < 0) {
		vfe_dev_err("sensor_read err at sensor_g_hflip!\n");
		return ret;
	}
	
	val &= (1<<0);
	val = val>>0;		//0x29 bit0 is mirror
		
	*value = val;

	info->hflip = *value;
	return 0;
}

static int sensor_s_hflip(struct v4l2_subdev *sd, int value)
{
	int ret;
	struct sensor_info *info = to_state(sd);
	data_type val;
	
	ret = sensor_write(sd, 0xfe, 0);
	if (ret < 0) {
		vfe_dev_err("sensor_write err at sensor_s_hflip!\n");
		return ret;
	}
	ret = sensor_read(sd, 0x17, &val);
	if (ret < 0) {
		vfe_dev_err("sensor_read err at sensor_s_hflip!\n");
		return ret;
	}
	
	switch (value) {
		case 0:
			val &= 0xfe;
			break;
		case 1:
			val |= 0x01;
			break;
		default:
			return -EINVAL;
	}
	ret = sensor_write(sd, 0x17, val);
	if (ret < 0) {
		vfe_dev_err("sensor_write err at sensor_s_hflip!\n");
		return ret;
	}
	
	usleep_range(20000,22000);
	
	info->hflip = value;
	return 0;
}

static int sensor_g_vflip(struct v4l2_subdev *sd, __s32 *value)
{
	int ret;
	struct sensor_info *info = to_state(sd);
	data_type val;
	
	ret = sensor_write(sd, 0xfe, 0x00);
	if (ret < 0) {
		vfe_dev_err("sensor_write err at sensor_g_vflip!\n");
		return ret;
	}
	
	ret = sensor_read(sd, 0x17, &val);
	if (ret < 0) {
		vfe_dev_err("sensor_read err at sensor_g_vflip!\n");
		return ret;
	}
	
	val &= (1<<1);
	val = val>>1;		//0x29 bit1 is upsidedown
		
	*value = val;

	info->vflip = *value;
	return 0;
}

static int sensor_s_vflip(struct v4l2_subdev *sd, int value)
{
	int ret;
	struct sensor_info *info = to_state(sd);
	data_type val;
	
	ret = sensor_write(sd, 0xfe, 0x00);
	if (ret < 0) {
		vfe_dev_err("sensor_write err at sensor_s_vflip!\n");
		return ret;
	}
	
	ret = sensor_read(sd, 0x17, &val);
	if (ret < 0) {
		vfe_dev_err("sensor_read err at sensor_s_vflip!\n");
		return ret;
	}
	
	switch (value) {
		case 0:
		  val &= 0xfd;
			break;
		case 1:
			val |= 0x02;
			break;
		default:
			return -EINVAL;
	}
	ret = sensor_write(sd, 0x17, val);
	if (ret < 0) {
		vfe_dev_err("sensor_write err at sensor_s_vflip!\n");
		return ret;
	}
	
	usleep_range(20000,22000);
	
	info->vflip = value;
	return 0;
}

static int sensor_g_autogain(struct v4l2_subdev *sd, __s32 *value)
{
	return -EINVAL;
}

static int sensor_s_autogain(struct v4l2_subdev *sd, int value)
{
	return -EINVAL;
}

static int sensor_g_autoexp(struct v4l2_subdev *sd, __s32 *value)
{
	int ret;
	struct sensor_info *info = to_state(sd);
	data_type val;
	
	ret = sensor_write(sd, 0xfe, 0x00);
	if (ret < 0) {
		vfe_dev_err("sensor_write err at sensor_g_autoexp!\n");
		return ret;
	}
	
	ret = sensor_read(sd, 0xb6, &val);
	if (ret < 0) {
		vfe_dev_err("sensor_read err at sensor_g_autoexp!\n");
		return ret;
	}

	val &= 0x01;
	if (val == 0x01) {
		*value = V4L2_EXPOSURE_AUTO;
	}
	else
	{
		*value = V4L2_EXPOSURE_MANUAL;
	}
	
	info->autoexp = *value;
	return 0;
}

static int sensor_s_autoexp(struct v4l2_subdev *sd,
		enum v4l2_exposure_auto_type value)
{
	int ret;
	struct sensor_info *info = to_state(sd);
	data_type val;
	
	ret = sensor_write(sd, 0xfe, 0x00);
	if (ret < 0) {
		vfe_dev_err("sensor_write err at sensor_s_autoexp!\n");
		return ret;
	}
	
	ret = sensor_read(sd, 0xb6, &val);
	if (ret < 0) {
		vfe_dev_err("sensor_read err at sensor_s_autoexp!\n");
		return ret;
	}

	switch (value) {
		case V4L2_EXPOSURE_AUTO:
		  val |= 0x01;
			break;
		case V4L2_EXPOSURE_MANUAL:
			val &= 0xfe;
			break;
		case V4L2_EXPOSURE_SHUTTER_PRIORITY:
			return -EINVAL;    
		case V4L2_EXPOSURE_APERTURE_PRIORITY:
			return -EINVAL;
		default:
			return -EINVAL;
	}
	if (ret < 0) {
		vfe_dev_err("sensor_write err at sensor_s_autoexp!\n");
		return ret;
	}
	usleep_range(10000,12000);
	info->autoexp = value;
	return 0;
}

static int sensor_g_autowb(struct v4l2_subdev *sd, int *value)
{
	int ret;
	struct sensor_info *info = to_state(sd);
	data_type val;
	
	ret = sensor_write(sd, 0xfe, 0x00);
	if (ret < 0) {
		vfe_dev_err("sensor_write err at sensor_g_autowb!\n");
		return ret;
	}
	
	ret = sensor_read(sd, 0x82, &val);
	if (ret < 0) {
		vfe_dev_err("sensor_read err at sensor_g_autowb!\n");
		return ret;
	}

	val &= (1<<1);
	val = val>>1;		//0x42 bit1 is awb enable
		
	*value = val;
	info->autowb = *value;
	
	return 0;
}

static int sensor_s_autowb(struct v4l2_subdev *sd, int value)
{
	int ret;
	struct sensor_info *info = to_state(sd);
	data_type val;
	
	ret = sensor_write_array(sd, sensor_wb_auto_regs, ARRAY_SIZE(sensor_wb_auto_regs));
	if (ret < 0) {
		vfe_dev_err("sensor_write_array err at sensor_s_autowb!\n");
		return ret;
	}
	
	ret = sensor_read(sd, 0x82, &val);
	if (ret < 0) {
		vfe_dev_err("sensor_read err at sensor_s_autowb!\n");
		return ret;
	}

	switch(value) {
	case 0:
		val &= 0xfd;
		break;
	case 1:
		val |= 0x02;
		break;
	default:
		break;
	}	
	ret = sensor_write(sd, 0x82, val);
	if (ret < 0) {
		vfe_dev_err("sensor_write err at sensor_s_autowb!\n");
		return ret;
	}
	
	usleep_range(10000,12000);
	
	info->autowb = value;
	return 0;
}

static int sensor_g_hue(struct v4l2_subdev *sd, __s32 *value)
{
	return -EINVAL;
}

static int sensor_s_hue(struct v4l2_subdev *sd, int value)
{
	return -EINVAL;
}

static int sensor_g_gain(struct v4l2_subdev *sd, __s32 *value)
{
	return -EINVAL;
}

static int sensor_s_gain(struct v4l2_subdev *sd, int value)
{
	return -EINVAL;
}

/* *********************************************end of ******************************************** */

static int sensor_g_brightness(struct v4l2_subdev *sd, __s32 *value)
{
	struct sensor_info *info = to_state(sd);
  
	*value = info->brightness;
	return 0;
}

static int sensor_s_brightness(struct v4l2_subdev *sd, int value)
{
	struct sensor_info *info = to_state(sd);
  
	if(info->brightness == value)
		return 0;
  
	if(value < -4 || value > 4)
		return -ERANGE;
  
	LOG_ERR_RET(sensor_write_array(sd, sensor_brightness[value+4].regs, sensor_brightness[value+4].size))

	info->brightness = value;
	return 0;
}

static int sensor_g_contrast(struct v4l2_subdev *sd, __s32 *value)
{
	struct sensor_info *info = to_state(sd);
  
	*value = info->contrast;
	return 0;
}

static int sensor_s_contrast(struct v4l2_subdev *sd, int value)
{
	struct sensor_info *info = to_state(sd);
  
	if(info->contrast == value)
		return 0;
  
	if(value < -4 || value > 4)
		return -ERANGE;
    
	LOG_ERR_RET(sensor_write_array(sd, sensor_contrast[value+4].regs, sensor_contrast[value+4].size))
  
	info->contrast = value;
	return 0;
}

static int sensor_g_saturation(struct v4l2_subdev *sd, __s32 *value)
{
	struct sensor_info *info = to_state(sd);
  
	*value = info->saturation;
	return 0;
}

static int sensor_s_saturation(struct v4l2_subdev *sd, int value)
{
	struct sensor_info *info = to_state(sd);
  
	if(info->saturation == value)
		return 0;

	if(value < -4 || value > 4)
		return -ERANGE;
      
	LOG_ERR_RET(sensor_write_array(sd, sensor_saturation[value+4].regs, sensor_saturation[value+4].size))

	info->saturation = value;
	return 0;
}

static int sensor_g_exp_bias(struct v4l2_subdev *sd, __s32 *value)
{
	struct sensor_info *info = to_state(sd);
  
	*value = info->exp_bias;
	return 0;
}

static int sensor_s_exp_bias(struct v4l2_subdev *sd, int value)
{
	struct sensor_info *info = to_state(sd);

	if(info->exp_bias == value)
		return 0;

	if(value < -4 || value > 4)
		return -ERANGE;
      
	LOG_ERR_RET(sensor_write_array(sd, sensor_ev[value+4].regs, sensor_ev[value+4].size))

	info->exp_bias = value;
	return 0;
}

static int sensor_g_wb(struct v4l2_subdev *sd, int *value)
{
	struct sensor_info *info = to_state(sd);
	enum v4l2_auto_n_preset_white_balance *wb_type = (enum v4l2_auto_n_preset_white_balance*)value;
  
	*wb_type = info->wb;
  
	return 0;
}

static int sensor_s_wb(struct v4l2_subdev *sd,
    enum v4l2_auto_n_preset_white_balance value)
{
	struct sensor_info *info = to_state(sd);
  
	if(info->capture_mode == V4L2_MODE_IMAGE)
		return 0;
  
	if(info->wb == value)
		return 0;
	LOG_ERR_RET(sensor_write_array(sd, sensor_wb[value].regs ,sensor_wb[value].size) )
  
	if (value == V4L2_WHITE_BALANCE_AUTO) 
		info->autowb = 1;
	else
		info->autowb = 0;
	
	info->wb = value;
	return 0;
}

static int sensor_g_colorfx(struct v4l2_subdev *sd,
		__s32 *value)
{
	struct sensor_info *info = to_state(sd);
	enum v4l2_colorfx *clrfx_type = (enum v4l2_colorfx*)value;
	
	*clrfx_type = info->clrfx;
	return 0;
}

static int sensor_s_colorfx(struct v4l2_subdev *sd,
    enum v4l2_colorfx value)
{
	struct sensor_info *info = to_state(sd);

	if(info->clrfx == value)
		return 0;
  
	LOG_ERR_RET(sensor_write_array(sd, sensor_colorfx[value].regs, sensor_colorfx[value].size))

	info->clrfx = value;
	return 0;
}

static int sensor_g_flash_mode(struct v4l2_subdev *sd,
    __s32 *value)
{
	struct sensor_info *info = to_state(sd);
	enum v4l2_flash_led_mode *flash_mode = (enum v4l2_flash_led_mode*)value;
  
	*flash_mode = info->flash_mode;
	return 0;
}

static int sensor_s_flash_mode(struct v4l2_subdev *sd,
    enum v4l2_flash_led_mode value)
{
	struct sensor_info *info = to_state(sd);

	info->flash_mode = value;
	return 0;
}

static int sensor_s_sw_stby(struct v4l2_subdev *sd, int on_off)
{
	int ret=0;
	return ret;
}

/*
 * Stuff that knows about the sensor.
 */
static int sensor_power(struct v4l2_subdev *sd, int on)
{
	int ret;
	cci_lock(sd);
	switch(on)
	{
		case CSI_SUBDEV_STBY_ON:
			vfe_dev_dbg("CSI_SUBDEV_STBY_ON\n");
			vfe_dev_print("disalbe oe!\n");
			ret = sensor_write_array(sd, sensor_oe_disable_regs, ARRAY_SIZE(sensor_oe_disable_regs));
			if(ret < 0)
				vfe_dev_err("disalbe oe falied!\n");
			ret = sensor_s_sw_stby(sd, CSI_GPIO_HIGH);
			if(ret < 0)
				vfe_dev_err("soft stby falied!\n");
			vfe_gpio_write(sd,PWDN, CSI_GPIO_HIGH);
			usleep_range(10000,12000);
			vfe_set_mclk(sd,OFF);
			break;
		case CSI_SUBDEV_STBY_OFF:
			vfe_dev_dbg("CSI_SUBDEV_STBY_OFF\n");
			ret = sensor_s_sw_stby(sd, CSI_GPIO_LOW);
			if(ret < 0)
				vfe_dev_err("soft stby off falied!\n");
			usleep_range(10000,12000);
			vfe_gpio_write(sd,PWDN, CSI_GPIO_LOW);
			usleep_range(10000,12000);
			//active mclk before stadby out
			vfe_set_mclk_freq(sd,MCLK);
			vfe_set_mclk(sd,ON);
			usleep_range(10000,12000);
			vfe_dev_print("enable oe!\n");
			ret = sensor_write_array(sd, sensor_oe_enable_regs,  ARRAY_SIZE(sensor_oe_enable_regs));
			if(ret < 0)
			vfe_dev_err("enable oe falied!\n");
			break;
		case CSI_SUBDEV_PWR_ON:
			vfe_dev_dbg("CSI_SUBDEV_PWR_ON\n");
			vfe_gpio_set_status(sd,PWDN,1);//set the gpio to output
			vfe_gpio_set_status(sd,RESET,1);//set the gpio to output
			vfe_set_mclk_freq(sd,MCLK);
			vfe_set_mclk(sd,ON);
			vfe_gpio_write(sd,PWDN, CSI_GPIO_LOW);
			vfe_gpio_write(sd,RESET, CSI_GPIO_LOW);
			vfe_gpio_write(sd,POWER_EN,CSI_GPIO_HIGH);
			vfe_set_pmu_channel(sd,IOVDD,ON);
			vfe_set_pmu_channel(sd,AVDD,ON);
			vfe_set_pmu_channel(sd,DVDD,ON);
			vfe_set_pmu_channel(sd,AFVDD,ON);
			usleep_range(10000,12000);
			//reset after power on
			vfe_gpio_write(sd,RESET,CSI_GPIO_HIGH);
			usleep_range(30000,31000);
			break;
		case CSI_SUBDEV_PWR_OFF:
			vfe_dev_dbg("CSI_SUBDEV_PWR_OFF\n");
			vfe_gpio_write(sd,PWDN,CSI_GPIO_LOW);
			vfe_gpio_write(sd,RESET,CSI_GPIO_LOW);
			usleep_range(5000,12000);
			vfe_gpio_write(sd,RESET,CSI_GPIO_HIGH);
			usleep_range(5000,12000);      //power supply off
			vfe_gpio_write(sd,PWDN,CSI_GPIO_HIGH);
			usleep_range(5000,12000);
			vfe_gpio_write(sd,RESET,CSI_GPIO_LOW); 
			vfe_gpio_write(sd,POWER_EN,CSI_GPIO_LOW);
			vfe_set_pmu_channel(sd,AFVDD,OFF);
			vfe_set_pmu_channel(sd,DVDD,OFF);
			vfe_set_pmu_channel(sd,AVDD,OFF);
			vfe_set_pmu_channel(sd,IOVDD,OFF);  
			usleep_range(10000,12000);
			vfe_set_mclk(sd,OFF);
			vfe_gpio_set_status(sd,RESET,0);//set the gpio to input
			vfe_gpio_set_status(sd,PWDN,0);//set the gpio to input
			break;
		default:
			return -EINVAL;
	}		
	cci_unlock(sd);	
	return 0;
}
 
static int sensor_reset(struct v4l2_subdev *sd, u32 val)
{
	switch(val)
	{
		case 0:
			vfe_gpio_write(sd,RESET,CSI_GPIO_HIGH);
			usleep_range(10000,12000);
			break;
		case 1:
			vfe_gpio_write(sd,RESET,CSI_GPIO_LOW);
			usleep_range(10000,12000);
			break;
		default:
			return -EINVAL;
	}
	return 0;
}

static int sensor_detect(struct v4l2_subdev *sd)
{
	int ret;
	unsigned   int SENSOR_ID=0;
	data_type val;
	ret = sensor_read(sd, 0xf0, &val);
	SENSOR_ID|= (val<< 8);
	if (ret < 0) {
		vfe_dev_err("sensor_read err at sensor_detect!\n");
		return ret;
	}
	
	ret = sensor_read(sd, 0xf1, &val);
	SENSOR_ID|= (val);
	vfe_dev_print("V4L2_IDENT_SENSOR=%x",SENSOR_ID);
	if (ret < 0) {
		vfe_dev_err("sensor_read err at sensor_detect!\n");
		return ret;
	}
	
	if(SENSOR_ID != V4L2_IDENT_SENSOR)
		return -ENODEV;
	
	return 0;
}

static int sensor_init(struct v4l2_subdev *sd, u32 val)
{
	int ret;
	vfe_dev_dbg("sensor_init\n");
	/*Make sure it is a target sensor*/
	ret = sensor_detect(sd);
	if (ret) {
		vfe_dev_err("chip found is not an target chip.\n");
		return ret;
	}
	ret = sensor_write_array(sd, sensor_default_regs , ARRAY_SIZE(sensor_default_regs));
	msleep(350);
    return 0;
}

static int sensor_g_exif(struct v4l2_subdev *sd, struct sensor_exif_attribute *exif)
{
	int ret = 0;//, gain_val, exp_val;
	unsigned int temp=0,shutter=0, gain = 0;
	data_type val;

	sensor_write(sd, 0xfe, 0x00);
	//sensor_write(sd, 0xb6, 0x02);

	/*read shutter */
	sensor_read(sd, 0x03, &val);
	temp |= (val<< 8);
	sensor_read(sd, 0x04, &val);
	temp |= (val & 0xff);
	shutter=temp;
	
	sensor_read(sd, 0xb2, &val);
	gain = val;
	exif->fnumber = 280;
	exif->focal_length = 425;
	exif->brightness = 125;
	exif->flash_fire = 0;
	exif->iso_speed = 50*((50 + CLIP(gain-0x40, 0, 0xff)*5)/50);
	exif->exposure_time_num = 1;
	exif->exposure_time_den = 8000/shutter;
	return ret;
}

static long sensor_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
{
	int ret=0;
	//struct sensor_info *info = to_state(sd);
	switch(cmd) {
		case GET_SENSOR_EXIF:
			sensor_g_exif(sd, (struct sensor_exif_attribute *)arg);
			break;
		default:
			return -EINVAL;
	}
	return ret;
}


/*
 * Store information about the video data format. 
 */
static struct sensor_format_struct {
	__u8 *desc;
	//__u32 pixelformat;
	enum v4l2_mbus_pixelcode mbus_code;//linux-3.0
	struct regval_list *regs;
	int	regs_size;
	int bpp;   /* Bytes per pixel */
} sensor_formats[] = {
	{
		.desc		= "YUYV 4:2:2",
		.mbus_code	= V4L2_MBUS_FMT_YUYV8_2X8,//linux-3.0
		.regs 		= sensor_fmt_yuv422_yuyv,
		.regs_size = ARRAY_SIZE(sensor_fmt_yuv422_yuyv),
		.bpp		= 2,
	},
	{
		.desc		= "YVYU 4:2:2",
		.mbus_code	= V4L2_MBUS_FMT_YVYU8_2X8,//linux-3.0
		.regs 		= sensor_fmt_yuv422_yvyu,
		.regs_size = ARRAY_SIZE(sensor_fmt_yuv422_yvyu),
		.bpp		= 2,
	},
	{
		.desc		= "UYVY 4:2:2",
		.mbus_code	= V4L2_MBUS_FMT_UYVY8_2X8,//linux-3.0
		.regs 		= sensor_fmt_yuv422_uyvy,
		.regs_size = ARRAY_SIZE(sensor_fmt_yuv422_uyvy),
		.bpp		= 2,
	},
	{
		.desc		= "VYUY 4:2:2",
		.mbus_code	= V4L2_MBUS_FMT_VYUY8_2X8,//linux-3.0
		.regs 		= sensor_fmt_yuv422_vyuy,
		.regs_size = ARRAY_SIZE(sensor_fmt_yuv422_vyuy),
		.bpp		= 2,
	},
	{
		.desc		= "Raw RGB Bayer",
		.mbus_code	= V4L2_MBUS_FMT_SBGGR8_1X8,//linux-3.0
		.regs 		= sensor_fmt_raw,
		.regs_size = ARRAY_SIZE(sensor_fmt_raw),
		.bpp		= 1
	},
};
#define N_FMTS ARRAY_SIZE(sensor_formats)

	

/*
 * Then there is the issue of window sizes.  Try to capture the info here.
 */


static struct sensor_win_size 
sensor_win_sizes[] = {
	/* UXGA */
	{
		.width      = UXGA_WIDTH,
		.height     = UXGA_HEIGHT,
		.hoffset    = 0,
		.voffset    = 0,
		.regs       = sensor_uxga_regs,
		.regs_size  = ARRAY_SIZE(sensor_uxga_regs),
		.set_size   = NULL,
	},
	/* SVGA */
	{
		.width      = SVGA_WIDTH,
		.height     = SVGA_HEIGHT,
		.hoffset    = 0,
		.voffset    = 0,
		.regs       = sensor_svga_regs,
		.regs_size  = ARRAY_SIZE(sensor_svga_regs),
		.set_size   = NULL,
	},
};

#define N_WIN_SIZES (ARRAY_SIZE(sensor_win_sizes))

static int sensor_enum_fmt(struct v4l2_subdev *sd, unsigned index,
                 enum v4l2_mbus_pixelcode *code)
{
	if (index >= N_FMTS)
		return -EINVAL;

	*code = sensor_formats[index].mbus_code;
	return 0;
}

static int sensor_enum_size(struct v4l2_subdev *sd,
                            struct v4l2_frmsizeenum *fsize)
{
	if(fsize->index > N_WIN_SIZES-1)
		return -EINVAL;
  
	fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE;
	fsize->discrete.width = sensor_win_sizes[fsize->index].width;
	fsize->discrete.height = sensor_win_sizes[fsize->index].height;
  
	return 0;
}


static int sensor_try_fmt_internal(struct v4l2_subdev *sd,
    struct v4l2_mbus_framefmt *fmt,
    struct sensor_format_struct **ret_fmt,
    struct sensor_win_size **ret_wsize)
{
	int index;
	struct sensor_win_size *wsize;

	for (index = 0; index < N_FMTS; index++)
		if (sensor_formats[index].mbus_code == fmt->code)
			break;

	if (index >= N_FMTS) 
		return -EINVAL;

	if (ret_fmt != NULL)
		*ret_fmt = sensor_formats + index;
    
	/*
	* Fields: the sensor devices claim to be progressive.
	*/
	fmt->field = V4L2_FIELD_NONE;

	/*
	* Round requested image size down to the nearest
	* we support, but not below the smallest.
	*/
	for (wsize = sensor_win_sizes; wsize < sensor_win_sizes + N_WIN_SIZES; wsize++)
		if (fmt->width >= wsize->width && fmt->height >= wsize->height)
			break;

	if (wsize >= sensor_win_sizes + N_WIN_SIZES)
		wsize--;   /* Take the smallest one */
	if (ret_wsize != NULL)
		*ret_wsize = wsize;
	/*
	* Note the size we'll actually handle.
	*/
	fmt->width = wsize->width;
	fmt->height = wsize->height;

	return 0;
}

static int sensor_try_fmt(struct v4l2_subdev *sd, 
             struct v4l2_mbus_framefmt *fmt)//linux-3.0
{
	return sensor_try_fmt_internal(sd, fmt, NULL, NULL);
}

static int sensor_g_mbus_config(struct v4l2_subdev *sd,
           struct v4l2_mbus_config *cfg)
{
	cfg->type = V4L2_MBUS_PARALLEL;
	cfg->flags = V4L2_MBUS_MASTER | VREF_POL | HREF_POL | CLK_POL ;
  
	return 0;
}

/*
 * Set a format.
 */
static int sensor_s_fmt(struct v4l2_subdev *sd, 
             struct v4l2_mbus_framefmt *fmt)//linux-3.0
{
	int ret;
	unsigned int temp=0,shutter=0;
	data_type val;

	struct sensor_format_struct *sensor_fmt;
	struct sensor_win_size *wsize;
	struct sensor_info *info = to_state(sd);	

	//////////////shutter-gain///////////////
	ret = sensor_try_fmt_internal(sd, fmt, &sensor_fmt, &wsize);
	if (ret)
		return ret;

	if((wsize->width==1600)&&(wsize->height==1200))  //capture mode  >640*480
	{
		sensor_write(sd, 0xfe, 0x00);
		sensor_write(sd, 0xb6, 0x02);
		/*read shutter */
		sensor_read(sd, 0x03, &val);
		temp |= (val<< 8);
		sensor_read(sd, 0x04, &val);
		temp |= (val & 0xff);
		shutter=temp;
	}

	sensor_write_array(sd, sensor_fmt->regs , sensor_fmt->regs_size);

	ret = 0;
	if (wsize->regs)
	{
		ret = sensor_write_array(sd, wsize->regs , wsize->regs_size);
		if (ret < 0)
			return ret;
	}
	
	if (wsize->set_size)
	{
		ret = wsize->set_size(sd);
		if (ret < 0)
			return ret;
	}

	if((wsize->width==1600)&&(wsize->height==1200))
	{
		sensor_write(sd, 0xfe, 0x00);
		shutter= shutter /2;	// 2
		if(shutter < 1) shutter = 1;
			val = ((shutter>>8)&0xff); 
		sensor_write(sd, 0x03, val);
		val = (shutter&0xff); 
		sensor_write(sd, 0x04, val);
		msleep(550);
	}
 
	sensor_s_hflip(sd,info->hflip);
	sensor_s_vflip(sd,info->vflip);

	info->fmt = sensor_fmt;
	info->width = wsize->width;
	info->height = wsize->height;
	return 0;
}

/*
 * Implement G/S_PARM.  There is a "high quality" mode we could try
 * to do someday; for now, we just do the frame rate tweak.
 */
static int sensor_g_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *parms)
{
	struct v4l2_captureparm *cp = &parms->parm.capture;
	struct sensor_info *info = to_state(sd);

	if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
		return -EINVAL;

	memset(cp, 0, sizeof(struct v4l2_captureparm));
	cp->capability = V4L2_CAP_TIMEPERFRAME;
	cp->timeperframe.numerator = 1;
	
	if (info->width > SVGA_WIDTH && info->height > SVGA_HEIGHT) {
		cp->timeperframe.denominator = SENSOR_FRAME_RATE/2;
	} 
	else {
		cp->timeperframe.denominator = SENSOR_FRAME_RATE;
	}
	
	return 0;
}

static int sensor_s_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *parms)
{
	return 0;
}


/* 
 * Code for dealing with controls.
 * fill with different sensor module
 * different sensor module has different settings here
 * if not support the follow function ,retrun -EINVAL
 */

/* *********************************************begin of ******************************************** */
static int sensor_queryctrl(struct v4l2_subdev *sd,
		struct v4l2_queryctrl *qc)
{
	/* Fill in min, max, step and default value for these controls. */
	/* see include/linux/videodev2.h for details */
	/* see sensor_s_parm and sensor_g_parm for the meaning of value */
	
	switch (qc->id) {
//	case V4L2_CID_BRIGHTNESS:
//		return v4l2_ctrl_query_fill(qc, -4, 4, 1, 1);
//	case V4L2_CID_CONTRAST:
//		return v4l2_ctrl_query_fill(qc, -4, 4, 1, 1);
//	case V4L2_CID_SATURATION:
//		return v4l2_ctrl_query_fill(qc, -4, 4, 1, 1);
//	case V4L2_CID_HUE:
//		return v4l2_ctrl_query_fill(qc, -180, 180, 5, 0);
	case V4L2_CID_VFLIP:
	case V4L2_CID_HFLIP:
		return v4l2_ctrl_query_fill(qc, 0, 1, 1, 0);
//	case V4L2_CID_GAIN:
//		return v4l2_ctrl_query_fill(qc, 0, 255, 1, 128);
//	case V4L2_CID_AUTOGAIN:
//		return v4l2_ctrl_query_fill(qc, 0, 1, 1, 1);
	case V4L2_CID_EXPOSURE:
	case V4L2_CID_AUTO_EXPOSURE_BIAS:
		return v4l2_ctrl_query_fill(qc, -4, 4, 1, 0);
	case V4L2_CID_EXPOSURE_AUTO:
		return v4l2_ctrl_query_fill(qc, 0, 1, 1, 0);
	case V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE:
		return v4l2_ctrl_query_fill(qc, 0, 9, 1, 1);
	case V4L2_CID_AUTO_WHITE_BALANCE:
		return v4l2_ctrl_query_fill(qc, 0, 1, 1, 1);
	case V4L2_CID_COLORFX:
		return v4l2_ctrl_query_fill(qc, 0, 15, 1, 0);
	case V4L2_CID_FLASH_LED_MODE:
		return v4l2_ctrl_query_fill(qc, 0, 4, 1, 0);	
	}
	return -EINVAL;
}


static int sensor_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
	switch (ctrl->id) {
	case V4L2_CID_BRIGHTNESS:
		return sensor_g_brightness(sd, &ctrl->value);
	case V4L2_CID_CONTRAST:
		return sensor_g_contrast(sd, &ctrl->value);
	case V4L2_CID_SATURATION:
		return sensor_g_saturation(sd, &ctrl->value);
	case V4L2_CID_HUE:
		return sensor_g_hue(sd, &ctrl->value);	
	case V4L2_CID_VFLIP:
		return sensor_g_vflip(sd, &ctrl->value);
	case V4L2_CID_HFLIP:
		return sensor_g_hflip(sd, &ctrl->value);
	case V4L2_CID_GAIN:
		return sensor_g_gain(sd, &ctrl->value);
	case V4L2_CID_AUTOGAIN:
		return sensor_g_autogain(sd, &ctrl->value);
	case V4L2_CID_EXPOSURE:
	case V4L2_CID_AUTO_EXPOSURE_BIAS:
		return sensor_g_exp_bias(sd, &ctrl->value);
	case V4L2_CID_EXPOSURE_AUTO:
		return sensor_g_autoexp(sd, &ctrl->value);
	case V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE:
		return sensor_g_wb(sd, &ctrl->value);
	case V4L2_CID_AUTO_WHITE_BALANCE:
		return sensor_g_autowb(sd, &ctrl->value);
	case V4L2_CID_COLORFX:
		return sensor_g_colorfx(sd, &ctrl->value);
	case V4L2_CID_FLASH_LED_MODE:
		return sensor_g_flash_mode(sd, &ctrl->value);
	}
	return -EINVAL;
}

static int sensor_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
	struct v4l2_queryctrl qc;
	int ret;
  
	qc.id = ctrl->id;
	ret = sensor_queryctrl(sd, &qc);
	if (ret < 0) {
		return ret;
	}

	if (qc.type == V4L2_CTRL_TYPE_MENU ||
		qc.type == V4L2_CTRL_TYPE_INTEGER ||
		qc.type == V4L2_CTRL_TYPE_BOOLEAN)
	{
		if (ctrl->value < qc.minimum || ctrl->value > qc.maximum) {
			return -ERANGE;
		}
	}
	switch (ctrl->id) {
	case V4L2_CID_BRIGHTNESS:
		return sensor_s_brightness(sd, ctrl->value);
	case V4L2_CID_CONTRAST:
		return sensor_s_contrast(sd, ctrl->value);
	case V4L2_CID_SATURATION:
		return sensor_s_saturation(sd, ctrl->value);
	case V4L2_CID_HUE:
		return sensor_s_hue(sd, ctrl->value);		
	case V4L2_CID_VFLIP:
		return sensor_s_vflip(sd, ctrl->value);
	case V4L2_CID_HFLIP:
		return sensor_s_hflip(sd, ctrl->value);
	case V4L2_CID_GAIN:
		return sensor_s_gain(sd, ctrl->value);
	case V4L2_CID_AUTOGAIN:
		return sensor_s_autogain(sd, ctrl->value);
	case V4L2_CID_EXPOSURE:
    case V4L2_CID_AUTO_EXPOSURE_BIAS:
		return sensor_s_exp_bias(sd, ctrl->value);
    case V4L2_CID_EXPOSURE_AUTO:
		return sensor_s_autoexp(sd, (enum v4l2_exposure_auto_type) ctrl->value);
    case V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE:
  		return sensor_s_wb(sd, (enum v4l2_auto_n_preset_white_balance) ctrl->value); 
    case V4L2_CID_AUTO_WHITE_BALANCE:
		return sensor_s_autowb(sd, ctrl->value);
    case V4L2_CID_COLORFX:
		return sensor_s_colorfx(sd, (enum v4l2_colorfx) ctrl->value);
    case V4L2_CID_FLASH_LED_MODE:
		return sensor_s_flash_mode(sd, (enum v4l2_flash_led_mode) ctrl->value);
	}
	return -EINVAL;
}


static int sensor_g_chip_ident(struct v4l2_subdev *sd,
		struct v4l2_dbg_chip_ident *chip)
{
	struct i2c_client *client = v4l2_get_subdevdata(sd);

	return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_SENSOR, 0);
}


/* ----------------------------------------------------------------------- */

static const struct v4l2_subdev_core_ops sensor_core_ops = {
	.g_chip_ident = sensor_g_chip_ident,
	.g_ctrl = sensor_g_ctrl,
	.s_ctrl = sensor_s_ctrl,
	.queryctrl = sensor_queryctrl,
	.reset = sensor_reset,
	.init = sensor_init,
	.s_power = sensor_power,
	.ioctl = sensor_ioctl,
};

static const struct v4l2_subdev_video_ops sensor_video_ops = {
	.enum_mbus_fmt = sensor_enum_fmt,
	.enum_framesizes = sensor_enum_size,
	.try_mbus_fmt = sensor_try_fmt,
	.s_mbus_fmt = sensor_s_fmt,
	.s_parm = sensor_s_parm,
	.g_parm = sensor_g_parm,
	.g_mbus_config = sensor_g_mbus_config,
};

static const struct v4l2_subdev_ops sensor_ops = {
	.core = &sensor_core_ops,
	.video = &sensor_video_ops,
};

/* ----------------------------------------------------------------------- */
static struct cci_driver cci_drv = {
	.name = SENSOR_NAME,
	.addr_width = CCI_BITS_8,
	.data_width = CCI_BITS_8,
};

static int sensor_probe(struct i2c_client *client,
			const struct i2c_device_id *id)
{
	struct v4l2_subdev *sd;
	struct sensor_info *info;
	info = kzalloc(sizeof(struct sensor_info), GFP_KERNEL);
	if (info == NULL)
		return -ENOMEM;
	sd = &info->sd;
	cci_dev_probe_helper(sd, client, &sensor_ops, &cci_drv);

	if(client)	{
		client->addr=0x78>>1;
	}
	info->fmt = &sensor_formats[0];
	info->brightness = 0;
	info->contrast = 0;
	info->saturation = 0;
	info->hue = 0;
	info->hflip = 0;
	info->vflip = 0;
	info->gain = 0;
	info->autogain = 1;
	info->exp = 0;
	info->autoexp = 0;
	info->autowb = 1;
	info->wb = 0;
	info->clrfx = 0;

	return 0;
}


static int sensor_remove(struct i2c_client *client)
{
	struct v4l2_subdev *sd;

	sd = cci_dev_remove_helper(client, &cci_drv);
	kfree(to_state(sd));
	return 0;
}

static const struct i2c_device_id sensor_id[] = {
	{ SENSOR_NAME, 0 },
	{ }
};
MODULE_DEVICE_TABLE(i2c, sensor_id);
static struct i2c_driver sensor_driver = {
	.driver = {
		.owner = THIS_MODULE,
	.name = SENSOR_NAME,
	},
	.probe = sensor_probe,
	.remove = sensor_remove,
	.id_table = sensor_id,
};

static __init int init_sensor(void)
{
	return cci_dev_init_helper(&sensor_driver);
}

static __exit void exit_sensor(void)
{
	cci_dev_exit_helper(&sensor_driver);
}

module_init(init_sensor);
module_exit(exit_sensor);
